(30) باب مَنْ أَدْرَكَ رَكْعَةً مِنَ الصَّلاَةِ فَقَدْ أَدْرَكَ تِلْكَ الصَّلاَةَ
Abu Huraira reported the Messenger of Allah (ﷺ) as saying:
He who finds a rak'ah of the prayer, he in fact finds the prayer. (DE)
Reference (DE): Sahih Muslim 607 a (DE)
In-book reference (DE): Book 5, Hadith 205 (DE)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1260 (DE)